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ASN Lookup Tool
AS27398 AITSL-27398

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS27398
Organisation
Alyeska Information Technology Services LLC
Name
AITSL-27398
Total IPv4 Addresses
3072
Total IPv4 Prefixes
7
Total IPv6 Prefixes
12
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#18,752 out of 77,303
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2017-05-12
Registration Last Change
2017-05-12
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS6939
US flagHurricane Electric LLC
AS8047
US flagGENERAL COMMUNICATION, INC.
AS1031
US flagPeer 1 Internet Service LLC
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix74.123.136.0/23
Range From74.123.136.0
Range To74.123.137.255
Prefix74.123.138.0/23
Range From74.123.138.0
Range To74.123.139.255
Prefix162.218.248.0/23
Range From162.218.248.0
Range To162.218.249.255
Prefix162.218.250.0/24
Range From162.218.250.0
Range To162.218.250.255
Prefix162.218.251.0/24
Range From162.218.251.0
Range To162.218.251.255
Showing 5 of 7
IPv6 Active Prefixes
Prefix2602:fed5::/47
Range From2602:fed5::
Range To2602:fed5:1:ffff:ffff:ffff:ffff:ffff
Prefix2602:fed5:2::/47
Range From2602:fed5:2::
Range To2602:fed5:3:ffff:ffff:ffff:ffff:ffff
Prefix2602:fed5:4::/46
Range From2602:fed5:4::
Range To2602:fed5:7:ffff:ffff:ffff:ffff:ffff
Prefix2602:fed5:8::/45
Range From2602:fed5:8::
Range To2602:fed5:f:ffff:ffff:ffff:ffff:ffff
Prefix2602:fed5:10::/44
Range From2602:fed5:10::
Range To2602:fed5:1f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 12
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.